Italian White Bean Soup

Introduction

This Italian white bean soup is a silky purée built on a simple broth of beans simmered with aromatic vegetables, finished with a cream and egg yolk liaison that turns it rich and velvety. The recipe requires advance planning—beans soak overnight—but the hands-on work is minimal, and the result is substantial enough for lunch or a first course at dinner.

Recipe Details

• Prep Time: 20 minutes (plus 12 hours soaking)
• Cook Time: 90 minutes
• Total Time: 110 minutes (active time only; soaking time not included)
• Servings: 4–6

Ingredients

• 1 pound dried white beans (haricot or flagelot, not lima or butter beans)
• Salt
• Butter
• 1 carrot
• 1 onion, halved
• 2 leeks, in chunks
• 1 stalk celery
• Chicken or veal stock
• 3 egg yolks
• 1 cup cream
• Peas, boiled
• Croûtons

Instructions

1. Soak beans in water for 12 hours, then drain them.
2. Add the drained beans to a stock pot with a little salt, butter, carrot, onion, two leeks, and a stick of celery.
3. Cover with water, and simmer until the vegetables are well cooked.
4. Drain the beans and vegetables, discarding the vegetables.
5. Purée the beans, adding stock as necessary to get a smooth consistency.
6. Transfer purée to a pot, and add stock to get the desired consistency. Bring to a boil, and keep hot until serving.
7. Combine the egg yolks with the cream, and add this to the soup.
8. Transfer the soup to a warm tureen, add some boiled green peas, and serve with fried croûtons handed separately.

Variations

Vegetable-forward version: Reserve some of the cooked carrot and leek before discarding, then chop and stir them back into the finished purée for texture and visual interest.

Herb finish: Stir in 2 tablespoons of fresh parsley or sage just before serving to add brightness without changing the soup’s body.

Garlic variation: Add 2–3 minced garlic cloves to the pot with the aromatics in step 2 for a deeper, more assertive flavor base.

Leaner finish: Replace the cream-and-egg yolk liaison with a swirl of olive oil stirred in just before serving if you prefer a lighter soup with less richness.

Stock substitute: Use beef stock instead of chicken or veal for a deeper, earthier character that still complements the beans.

Tips for Success

Don’t skip the soak. Soaking overnight softens the beans evenly and reduces cooking time; it also makes them easier to digest. Drain the soak water and start fresh with the stock pot.

Watch the consistency. The purée should be smooth and creamy but not gluey; add stock gradually and taste as you go. Once you transfer it to the final pot, you can always thin it further.

Temper the egg yolks. Whisk the egg yolks and cream together, then add a few spoonfuls of hot soup to the mixture before stirring it back into the pot. This prevents the eggs from scrambling and breaking the smooth texture.

Keep it hot but don’t boil after adding eggs. Once the liaison is in, maintain a gentle simmer; vigorous boiling can cause the eggs to curdle.

Serve components separately. Hand the croûtons on the side so they stay crisp and don’t soften into the soup.

Storage and Reheating

Store the soup in an airtight container in the refrigerator for up to 3 days. The soup does not freeze well because the egg yolk liaison breaks down during thawing and reheating, resulting in a grainy texture.

FAQ

Can I make this soup without soaking the beans overnight?

No—the long soak is essential. It softens the beans evenly and shortens the final cooking time significantly. Without it, the beans may take 2–3 hours to cook, and you risk uneven texture.

What if the soup breaks when I add the egg yolks?

The mixture curdled because it was added to soup that was too hot or added too quickly without tempering. To rescue it, strain the soup through a fine sieve to remove the scrambled bits, then return the strained liquid to the pot and finish with fresh cream stirred in slowly.

Can I use canned beans instead of dried?

Yes, use about 3 cans (15 ounces each) of drained white beans and skip the soaking and initial cooking. Add them directly to step 5 with the stock, and purée as directed. Total cooking time drops to about 20–30 minutes.

Are the croûtons best made fresh or can I prepare them ahead?

Fry them just before serving—they soften within an hour. If you need to make them ahead, store them in an airtight container for up to 1 day and crisp them in a warm oven for 3–4 minutes before serving.